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// edition:2021
#![feature(rustc_attrs)]
#[derive(Debug)]
struct Child {
c: String,
d: String,
}
#[derive(Debug)]
struct Parent {
b: Child,
}
fn main() {
let mut a = Parent { b: Child {c: String::new(), d: String::new()} };
let c = #[rustc_capture_analysis]
//~^ ERROR: attributes on expressions are experimental
//~| NOTE: see issue #15701 <https://github.com/rust-lang/rust/issues/15701>
|| {
//~^ First Pass analysis includes:
//~| Min Capture analysis includes:
let _x = a.b.c;
//~^ NOTE: Capturing a[(0, 0),(0, 0)] -> ByValue
//~| NOTE: a[(0, 0)] captured as ByValue here
println!("{:?}", a.b);
//~^ NOTE: Capturing a[(0, 0)] -> ImmBorrow
//~| NOTE: Min Capture a[(0, 0)] -> ByValue
//~| NOTE: a[(0, 0)] used here
};
}
|
